Leuce

Leuce may refer to:


 * Leuce (mythology), in Greek mythology, a nymph, daughter of Oceanus
 * Leuce (island), the Greek name of an island of the Black Sea
 * Leuce (titular see), a Roman Catholic titular see in Thrace
 * Populus sect. Leuce, an old name for the white poplar trees and aspens, see Populus section Populus